125022020281 has 2 divisors, whose sum is σ = 125022020282. Its totient is φ = 125022020280.

The previous prime is 125022020171. The next prime is 125022020297. The reversal of 125022020281 is 182020220521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88506250000 + 36515770281 = 297500^2 + 191091^2 .

It is a cyclic number.

It is not a de Polignac number, because 125022020281 - 2⁷ = 125022020153 is a prime.

It is a super-3 number, since 3×125022020281³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (125022029281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62511010140 + 62511010141.

It is an arithmetic number, because the mean of its divisors is an integer number (62511010141).

Almost surely, 2^125022020281 is an apocalyptic number.

It is an amenable number.

125022020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

125022020281 is an equidigital number, since it uses as much as digits as its factorization.

125022020281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The spelling of 125022020281 in words is "one hundred twenty-five billion, twenty-two million, twenty thousand, two hundred eighty-one".